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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2012
Income Tax Disclosure [Abstract]  
Schedule of Income Tax (Expense) Benefit From Continuing Operations
 
Current
 
Deferred
 
Total
 
(in millions)
Year ended December 31, 2012:
 
 
 
 
 
U.S. Federal
$

 
$
(0.9
)
 
$
(0.9
)
State
(4.0
)
 
0.2

 
(3.8
)
 
$
(4.0
)
 
$
(0.7
)
 
$
(4.7
)
Year ended December 31, 2011:
 
 
 
 
 
U.S. Federal
$

 
$
1.5

 
$
1.5

State
(3.5
)
 
(0.3
)
 
(3.8
)
 
$
(3.5
)
 
$
1.2

 
$
(2.3
)
Year ended December 31, 2010:
 
 
 
 
 
U.S. Federal
$
21.2

 
$
(14.9
)
 
$
6.3

State
2.3

 
3.1

 
5.4

 
$
23.5

 
$
(11.8
)
 
$
11.7

Schedule of Effective Income Tax Rate Reconciliation
 
2012
 
2011
 
2010
 
Percent
 
Amount
 
Percent
 
Amount
 
Percent
 
Amount
 
(dollars in millions)
Federal income tax (expense) benefit at the statutory rate
35.0
 %
 
$
6.3

 
(35.0
)%
 
$
(11.4
)
 
35.0
 %
 
$
18.4

State income taxes, net of federal tax benefits
(24.2
)%
 
(4.3
)
 
(14.9
)%
 
(4.8
)
 
5.8
 %
 
3.0

Non-deductible expenses and other
(4.7
)%
 
(0.8
)
 
(2.7
)%
 
(0.8
)
 
(1.4
)%
 
(0.7
)
Cancellation of stock options
(11.5
)%
 
(2.1
)
 
(3.7
)%
 
(1.2
)
 
 %
 

Non-deductible donation of land
 %
 

 
(3.5
)%
 
(1.2
)
 
 %
 

Dividend income from foreign subsidiary
 %
 

 
 %
 

 
(3.5
)%
 
(1.8
)
Reserves for unrecognized tax benefits
(0.7
)%
 
(0.1
)
 
1.7
 %
 
0.5

 
4.1
 %
 
2.1

Credits
3.3
 %
 
0.5

 
3.7
 %
 
1.2

 
13.7
 %
 
7.2

Change in valuation allowance/reserve of deferred tax assets
(23.2
)%
 
(4.2
)
 
47.2
 %
 
15.4

 
(31.4
)%
 
(16.5
)
Income tax (expense) benefit from continuing operations
(26.0
)%
 
$
(4.7
)
 
(7.2
)%
 
$
(2.3
)
 
22.3
 %
 
$
11.7

Allocation of Income Tax (Expense) Benefit Between Continuing Operations, Discontinued Operations and Equity
 
For the year ended December 31,
 
2012
 
2011
 
2010
 
(in millions)
Income (loss) from continuing operations before income taxes
$
(17.9
)
 
$
32.5

 
$
(52.5
)
Income tax (expense) benefit allocated to continuing operations
(4.7
)
 
(2.3
)
 
11.7

Income (loss) from continuing operations
(22.6
)
 
30.2

 
(40.8
)
Income (loss) from discontinued operations before income taxes
(9.4
)
 
(32.9
)
 
27.1

Income tax (expense) benefit allocated to discontinued operations
0.2

 
0.2

 
(9.7
)
Income (loss) from discontinued operations
(9.2
)
 
(32.7
)
 
17.4

Net loss
$
(31.8
)
 
$
(2.5
)
 
$
(23.4
)
Income tax (expense) benefit allocated to other comprehensive income
$

 
$
0.2

 
$

Schedule of Deferred Tax Assets and Liabilities
 
December 31,
 
2012
 
2011
 
(in millions)
Deferred tax assets—current:
 
 
 
Workers’ compensation insurance reserve
$
2.7

 
$
2.6

Allowance for doubtful accounts
3.1

 
3.0

Legal and merger costs
3.6

 
2.7

Other
7.7

 
7.5

Less valuation allowance
(16.4
)
 
(15.1
)
Total deferred tax assets—current
0.7

 
0.7

Deferred tax liabilities—current:
 
 
 
Prepaid expenses
(3.9
)
 
(3.2
)
Total deferred tax liabilities—current
(3.9
)
 
(3.2
)
Net current deferred tax liabilities
$
(3.2
)
 
$
(2.5
)
Deferred tax assets—non-current:
 
 
 
Federal tax credit carry-forwards
$
28.9

 
$
28.3

Federal net operating loss carry-forwards
91.4

 
77.3

State net operating loss carry-forwards
9.8

 
11.7

Capital loss carry-forward
6.3

 
6.4

Deferred compensation
2.6

 
2.9

Pre-opening expenses capitalized for tax purposes
11.6

 
10.9

ACDL investment write-down
9.1

 

Share-based compensation expense—book cost
11.9

 
12.1

Land, building, vessels and equipment, net

 
31.6

Other
18.6

 
10.8

Less valuation allowance
(184.7
)
 
(190.3
)
Total deferred tax assets—non-current
5.5

 
1.7

Deferred tax liabilities—non-current:
 
 
 
Land, building, vessels and equipment, net
(2.9
)
 

Intangible assets
(6.1
)
 
(5.1
)
Total deferred tax liabilities—non-current:
(9.0
)
 
(5.1
)
Net non-current deferred tax liabilities
$
(3.5
)
 
$
(3.4
)
The following table summarizes the total deferred tax assets and total deferred tax liabilities provided in the previous table:
 
December 31,
 
2012
 
2011
 
(in millions)
Total deferred tax assets
$
207.3

 
$
207.7

Less valuation allowances
(201.1
)
 
(205.4
)
Less total deferred tax liabilities
(12.9
)
 
(8.2
)
Net deferred tax liabilities
$
(6.7
)
 
$
(5.9
)
Schedule of Unrecognized Tax Benefits
The following table summarizes the activity related to uncertain tax benefits for 2012 and 2011, excluding any interest or penalties:
 
2012
 
2011
 
(in millions)
Balance as of January 1
$
7.7

 
$
8.2

Gross increases - tax positions in prior periods
1.5

 
1.0

Gross decreases - tax positions in prior periods

 
(0.1
)
Gross increases - tax positions in current period
0.2

 
0.2

Statute of limitation expirations

 
(1.6
)
Balance as of December 31
$
9.4

 
$
7.7